Keyphrases
- information retrieval
- image database
- retrieval accuracy
- image retrieval
- document retrieval
- information retrieval systems
- similarity matching
- query expansion
- retrieval method
- query formulation
- neural network
- multimedia databases
- average precision
- message transmission
- digital libraries
- content based indexing
- automatic indexing
- social networks
- communication channels
- retrieval model
- similarity measure
- data structure
- relevance feedback